hostsharing/hs.hsadmin
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introduce jline line editing features

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This commit is contained in:
Peter Hormanns 2012-11-28 15:57:29 +01:00
parent d30af3f4c3
commit fb709fba09
6 changed files with 107 additions and 46 deletions
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1
hsarjcli/.classpath
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@ -6,5 +6,6 @@
<classpathentry kind="lib" path="lib/xmlrpc-client-3.1.jar"/>
<classpathentry kind="lib" path="lib/xmlrpc-common-3.1.jar"/>
<classpathentry kind="lib" path="lib/ws-commons-util-1.0.1.jar"/>
<classpathentry kind="lib" path="lib/jline-1.0.jar"/>
<classpathentry kind="output" path="bin"/>
</classpath>

BIN
hsarjcli/lib/jline-1.0.jar Normal file
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27
hsarjcli/src/de/hsadmin/jscli/CASTicket.java
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@ -2,7 +2,6 @@ package de.hsadmin.jscli;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.Console;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
@ -22,13 +21,16 @@ public class CASTicket {
private static final String LOGIN_URL = "https://login.hostsharing.net:443/cas/v1/tickets";
private static final String BACKEND_URL = "https://admin.hostsharing.net:443/hsar/backend";
private String loginURL;
private String backendURL;
private String grantingTicket;
private String runAs;
private String user;
final private String loginURL;
final private String backendURL;
final private String runAs;
final private String user;
final private ConsoleWrapper cons;
public CASTicket(String user, String runAs) throws JSCliException {
private String grantingTicket;
public CASTicket(ConsoleWrapper console, String user, String runAs) throws JSCliException {
this.cons = console;
this.user = user;
this.runAs = runAs;
Config config = Config.getInstance();
@ -77,16 +79,7 @@ public class CASTicket {
}
private String readPasswordFromConsole() throws JSCliException {
char[] password = null;
Console console = System.console();
if (console == null) {
throw new JSCliException("fatal error: console not found");
}
password = console.readPassword("password:");
if (password == null || password.length <= 0) {
throw new JSCliException("no password given");
}
return new String(password);
return cons.readPassword();
}
private String doHttpPost(String urlString, String encodedParams) throws JSCliException {

62
hsarjcli/src/de/hsadmin/jscli/ConsoleWrapper.java Normal file
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@ -0,0 +1,62 @@
package de.hsadmin.jscli;
import java.io.IOException;
import jline.ConsoleReader;
import jline.SimpleCompletor;
public class ConsoleWrapper {
private ConsoleReader cons;
private String prompt;
public void open(final String prompt) throws JSCliException {
this.prompt = prompt;
try {
cons = new ConsoleReader();
cons.setDefaultPrompt(prompt);
} catch (IOException e) {
throw new JSCliException(e);
}
}
public String readInput() throws JSCliException {
try {
String line = cons.readLine();
while (line.trim().endsWith("\\")) {
line = line.substring(0, line.length() - 1) + "\n" + cons.readLine(">");
}
return line;
} catch (IOException e) {
throw new JSCliException(e);
}
}
public void println(String text) throws JSCliException {
try {
if (cons != null) {
cons.printString(text);
cons.printNewline();
} else {
throw new JSCliException("cannot write console");
}
} catch (IOException e) {
throw new JSCliException(e);
}
}
public String readPassword() throws JSCliException {
try {
String pw = cons.readLine("password:", new Character('*'));
cons.setDefaultPrompt(prompt);
return pw;
} catch (IOException e) {
throw new JSCliException(e);
}
}
public void codeCompletion(String[] candidateStrings) {
cons.addCompletor(new SimpleCompletor(candidateStrings));
}
}

38
hsarjcli/src/de/hsadmin/jscli/Main.java
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@ -1,6 +1,5 @@
package de.hsadmin.jscli;
import java.io.Console;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
@ -10,19 +9,22 @@ import java.io.InputStreamReader;
public class Main {
public static void main(String[] args) {
ConsoleWrapper console = null;
try {
JSONFormatter formatter = new JSONFormatter();
CommandlineParser cmdParser = new CommandlineParser(args);
String runAs = cmdParser.getRunAs();
ScriptClient scriptClient = new ScriptClient(cmdParser.getUser(), runAs);
console = new ConsoleWrapper();
console.open(runAs + "@hsadmin>");
JSONFormatter formatter = new JSONFormatter();
ScriptClient scriptClient = new ScriptClient(console, cmdParser.getUser(), runAs);
String file = cmdParser.getFile();
if (file != null && file.length() > 0) {
if ("-".equals(file)) {
System.out.println(formatter.format(scriptClient.execute(new InputStreamReader(System.in))));
console.println(formatter.format(scriptClient.execute(new InputStreamReader(System.in))));
} else {
File fileHandle = new File(file);
try {
System.out.println(formatter.format(scriptClient.execute(new FileReader(fileHandle))));
console.println(formatter.format(scriptClient.execute(new FileReader(fileHandle))));
} catch (FileNotFoundException e) {
System.err.println("file not found: " + file);
}
@ -30,34 +32,20 @@ public class Main {
}
String expr = cmdParser.getExpression();
if (expr != null && expr.length() > 0) {
System.out.println(formatter.format(scriptClient.execute(expr)));
console.println(formatter.format(scriptClient.execute(expr)));
}
if (cmdParser.isInteractive()) {
Console console = System.console();
if (console == null) {
throw new JSCliException("fatal error: console not found");
}
String command = console.readLine("%s@hsadmin>", runAs);
if (command == null) {
command = "";
}
String command = console.readInput();
while (!("bye".equals(command.trim()) || "exit".equals(command.trim()) || "quit".equals(command.trim()))) {
try {
console.printf("%s\n", formatter.format(scriptClient.execute(command)));
console.println(formatter.format(scriptClient.execute(command)));
} catch (Exception e) {
console.printf("ERR: %s\n", e.getLocalizedMessage());
}
command = console.readLine("%s@hsadmin>", runAs);
if (command == null) {
command = "";
}
while (command.trim().endsWith("\\")) {
command = command.substring(0, command.length() - 1) +
"\n" + console.readLine(">");
console.println("ERR: " + e.getLocalizedMessage() + "\n");
}
command = console.readInput();
}
}
} catch (JSCliException e) {
} catch (Exception e) {
System.err.println(e.getMessage());
System.exit(-1);
}

23
hsarjcli/src/de/hsadmin/jscli/ScriptClient.java
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@ -1,7 +1,9 @@
package de.hsadmin.jscli;
import java.io.Reader;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
@ -9,10 +11,12 @@ import javax.script.ScriptException;
public class ScriptClient {
private ScriptEngine engine;
final private ScriptEngine engine;
final private Set<String> completionStrings;
public ScriptClient(String user, String runAs) throws JSCliException {
CASTicket grantingTicket = new CASTicket(user, runAs);
public ScriptClient(ConsoleWrapper console, String user, String runAs) throws JSCliException {
completionStrings = new HashSet<String>();
CASTicket grantingTicket = new CASTicket(console, user, runAs);
RpcClient rpcClient = new RpcClient(grantingTicket);
ScriptEngineManager engineManager = new ScriptEngineManager();
engine = engineManager.getEngineByName("js");
@ -54,6 +58,8 @@ public class ScriptClient {
if ("delete".equals(function)) {
function = "remove";
}
completionStrings.add(module);
completionStrings.add(module + "." + function);
try {
engine.eval("if (typeof " + module + " === 'undefined') " +
"{ var " + module + " = { }; };\n" +
@ -73,6 +79,17 @@ public class ScriptClient {
}
}
}
console.codeCompletion(getCodeCompletionStrings());
}
public String[] getCodeCompletionStrings() {
String[] codeCompletionStrings = new String[completionStrings.size()];
int idx = 0;
for (String s : completionStrings) {
codeCompletionStrings[idx] = s;
idx++;
}
return codeCompletionStrings;
}
public Object execute(String snippet) throws JSCliException {